Classifications

• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
  • A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
  • A63H17/045—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor shaped as armoured cars, tanks or the like
• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
  • A63H30/00—Remote-control arrangements specially adapted for toys, e.g. for toy vehicles
  • A63H30/02—Electrical arrangements
  • A63H30/04—Electrical arrangements using wireless transmission
• • G—PHYSICS
  • G08—SIGNALLING
  • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
  • G08C19/00—Electric signal transmission systems
  • G08C19/16—Electric signal transmission systems in which transmission is by pulses
  • G08C19/28—Electric signal transmission systems in which transmission is by pulses using pulse code

Definitions

• the present invention relates to a system inwhich a moving machine such as an automobile, a robot, or the like is remote-controlled and in particular, to a remote control system in which a plurality of moving machines are controlled at the same place and at the same time and which is suitable for a case in which there is a need to cause interaction based on communication between the moving machines, and to a moving machine thereof.
• the moving machine has a transmitting device which transmits, by infraredradiation, data forcommunicatingwith anothermoving machine, a device which receives data by radio waves, and a device which receives data by infrared radiation.
• a remote control operation system is realized inwhich signals transmitted from the transmitter and signals from the moving machine are prepared from interfering with each other, and a plurality of moving machines are remote-controlled at a same place, and communication between the moving machines is carried out.
• a moving machine needs two different receiving devices, which are a device which receives radio waves transmitted from a transmitter and a device which receives infrared radiation transmitted from another moving machine, and a processing system. Therefore, the drawbacks that the structure of the moving machine is complicated and the electric power consumption increases arise .
• the object of the present invention is to provide a remote control system in which a plurality of moving machines are remote-controlled without leading to complexity of the structure of the movingmachine and an increase in electric power consumption, and which can cause interaction based on communication between the moving machines.
• a remote control system in which operations of a plurality of moving machines which are readied for a plurality of transmitters, respectively, are individually controlled by the plurality of transmitters and interaction is caused between the plurality of moving machines based on communication, each of the plurality of transmitters comprising: an operation data preparing device which prepares operation data including identification information which is for identifying each of the plurality of transmitters and is unique to each of the plurality of transmitters, operation control information for controlling an operation of one of the plurality of moving machines, and communication control information for controlling the communicationbetween the movingmachines; an operation data transmitting device which transmits the operation data; an operation data receiving device which receives the operation data transmitted from another one of the plurality of transmitters; a transmission timing setting device which sets a transmission timing of self operation data on the basis of the identification information contained in the received operation data; and an operation data transmission controlling device which makes the data transmitting device transmit the operation data according to the set transmission timing, each of the plurality of moving machines
• each transmitter by receiving data transmitted from another transmitter, and each moving machine, by referring to the receipt timing of data transmitted from each transmitter, can transmit self data according to a data transmission schedule provided such that transmission timings of each transmitter and each moving machine do not overlap. Accordingly, the data from each transmitter and the data from each moving machine can be transmitted on the same carrier signal, and sharing, at each moving machine, of a receiving device and a processing system of the signals from the transmitter and the signals from the moving machine, can be advanced. In accordance therewith, without leading to complexity of the structure of the moving machine and an increase in electric power consumption, a plurality of moving machines can be remote-controlled and interaction based on communication can be caused between the moving machines . Further, the remote control systemofthepresent invention can include the following modes.
• the data transmission schedule maybe stipulated such that the transmission timing of each of the operation data and the communication data cyclically arrives in a predetermined order .
• each transmitter and each movingmachine can specify a period in which the self data can be transmitted. Further, because data transmission is carried out each period, even if one part of the transmitters cuts off data transmission in themidst thereof, another transmitter and moving machine can specify the period allocated to themselves and transmit data.
• periods in which the plurality of transmitters are allowed to transmit the operation data, respectively maybe stipulated so as to have time lengths equal to each other, and periods in which the plurality of moving machines are allowed to transmit the communication data, respectively, ma be stipulated so as to have time lengths equal to each other.
• each transmitter and each moving machine can specify a period in which the self data can be transmitted. For example, when a time length of the transmission period of the transmitter is Tl and a time length of the transmissionperiod of the moving machine is T2, a transmitter and a moving machine, whose transmission timing is set after the ith transmitter and the jth moving machine as counted from the transmitter whose transmission timing is set to be first, may start transmission after Tlxi+T2xj from the first transmission start time.
• the data transmission schedule maybe stipulated such that the transmission timing of the communication data of one of the plurality ofmovingmachines arrives next after the transmission timing of the operation data of one of the plurality of transmitters which corresponds to said one of the plurality of moving machines .
• themoving achine can carry out the transmission without overlapping on the transmission timings of the transmitter and the other moving machines .
• said one of the plurality of moving machines may specify said another one of the plurality of moving machines on thebasis ofthe identification information contained in the operation data received immediately before receipt of the communication data transmitted from said another one of the plurality of transmitters.
• each of the plurality of moving machines judges whether the received data is either of the operation data or the communication data by comparing a receiving timing of the received data and the transmission timing of each of the plurality of transmitters and each of the plurality ofmovingmachines stipulatedby the data transmission schedule. In this case, there is no need to add to the data information for judging whether it is either of operation data or communication data, and information which can be added to one block of data can be reduced, or the transmission/receiving time can be shortened by reducing one block of data.
• a moving machine which is combined with a transmitter capable of transmitting operation data including identification information for identifying oneself, operation control information for controlling an operation of one of objects of control, and communication control information for controlling communication between said objects of control, and which is used as said one of the objects of control
• the moving machine comprising: a communicationdatapreparingdevicewhichprepares communication data making another moving machine execute a predetermined processing; a communication data transmitting device which transmits the communication data; a data receiving device which receives the operation data transmitted from the transmitter and the communication data transmitted from said another moving machine; and a moving machine controlling device which, when the operation data containing the identification information unique to the transmitter corresponding to oneself is received, controls self operation on the basis of the operation control informationcontainedin theoperationdata, andcontrols preparation and transmission of the communication data on the basis of the communication control information contained in the operation data, and which, when the communication data from said another moving machine is received, executes a predetermined processing corresponding to the received communication data, wherein the moving machine controlling device
• the remote control system of the present invention can be structured if, at each transmitter, devices are providedwhich ready a transmitter for each moving machine, set the same identification information for amovingmachine anda transmitter which form a set, set a common data transmission schedule stipulated such that the transmission timings do not overlap, specify the self transmission timing stipulated by the data transmission scheduleby receiving data fromanother transmitter, and control the transmission timing.
• the moving machine of the present invention may include various types of preferable modes in the above-described remote control system. Namely, the aforementioned data transmission schedule maybe stipulated such that transmission timing of each of the operation data and the communication data cyclically arrives in a predetermined order.
• a period in which the moving machine is allowed to transmit the communication data may be stipulated so as to be a time length equal to a period in which said another moving machine is allowed to transmit the communication data.
• the aforementioned data transmission schedule may be stipulated such that the transmission timing of communication data arrives next after the transmission timing of operation data of the transmitter to be combined with oneself.
• the moving machine specifies said another moving machine which transmitted the communication data on the basis of the identification information contained in the operation data received immediately before receipt of the communication data.
• FIG. 1 is a diagram showing a schematic structure of a remote control system of the present invention.
• FIGS. 2A and 2B are a top view and a diagram viewed from a front surface side of a transmitter for a tank model as an embodiment of a transmitter.
• FIGS. 3A and 3B are a plan view and a side view of a tank model as an embodiment of a moving machine.
• FIG. 4 is a diagram showing a circuit structure of the transmitter of FIGS. 2A and 2B.
• FIG. 5 is a diagram showing a circuit structure of the tank model of FIGS. 3A and 3B.
• FIG. 6 is a diagram showing a data transmission schedule stipulatedsuchthat data transmissiontimings of the transmitter of FIGS. 2A and 2B and the tank model of FIGS. 3A and 3B do not overlap one another.
• FIG. 7 is a flowchart showing procedures of power-on operation which a microcomputer of the transmitter of FIGS.2A and 2B executes from turning-on of a power source until starting of transmission of self data.
• FIG. 8 is a flowchart showing procedures of normal operations which the microcomputer of the transmitter of FIGS . 2A and 2B executes after the processing of FIG. 7.
• FIG. 9 is a flowchart showing processing procedures when a microcomputer of the tank model of FIGS. 3A and 3B receives data.
• FIG. 1 is a diagram showing a schematic structure of a remote control system of the present invention. Note that, in
• FIG. 1 a case in which two moving machines 1 ... 1 are remote-controlled at a same place, and interaction based on communication between the moving machines 1 ... 1 is caused is supposed.
• Transmitters 2 ... 2 are readied in a one-to-one correspondence with the respective moving machines 1...1.
• the numbers 1, 2 are set as IDs for the moving machines 1 ... 1 and the transmitters 2 ... 2, respectively.
• Infrared radiation is utilized for remote-control of eachmovingmachine 1. Therefore, a remote control signal light-emitting section 3 is mounted to each transmitter 2, and a remote control signal light-receiving section 4 is mounted to each moving machine 1. Moreover, in order to synchronize data the transmission from each transmitter 2, a remote control signal light-receiving section 5 is mounted to each transmitter 2. Further, infrared radiation is utilized for communication between the moving machines 1 ... 1 as well .
• a remote control signal light-emitting section 6 is mounted to each moving machine 1 in order to carry out communication with the other moving machine and the aforementioned remote control signal light-receiving section 4 of the moving machine 1 also receives signals from the remote control signal light-emitting section 6 of the other moving machine 1.
• Auser controls the travelling of the tank model 30 and the turning operation of a turret section 32, and fires at the tank model 30 remote-controlled by another user. Firing is realized by communication utilizing infrared radiation radiated at relatively narrow angles A, B from a barrel 42.
• FIGS .2A and 2B show the transmitter 10 remote controlling the tank model 30, FIG. 2A is a top view and FIG. 2B is a view from the front surface side. As shown in these views, the transmitter 10 has a housing body 11 structured from resin or the like.
• a cover lib through which infrared radiation passes is provided at a front surface 11a of the housing body 11, and a light-emitting section 12 (corresponding to the remote control signal light-emitting section 3 of FIG.1) for transmitting data to the tank model 30 and a light-receiving section 13 (corresponding to the remote control signal light-receiving section 5 of FIG. 1) for receiving data from other transmitters 10 are provided at the inner side thereof.
• a set of right and left travelling control levers 14...14 to be operated for respectively individually controlling the travelling direction and speed of a set of right and lef caterpillars 31... 31 (refer to FIG.
• a turret section control dial 15 to be operated for making the turret section 32 of the tank model 30 turn, a firing key 16 for instructing firing at the tank model 30, and an ID setting switch 17 for setting the ID of the transmitter 10 are provided at the housing body 11.
• Each travelling control lever 14 can switch between forward travelling and reverse travelling of the corresponding caterpillar 31 bybeing downwardlypivoted forward and backward from a neutral position corresponding to speed 0, and outputs a speed instruction signal proportional to the amount of downwardpivoting.
• the turret section control dial 15 outputs a turning instruction signal corresponding to a direction of rotation and an amount of rotation when a rotating operation is carried out.
• the firing key 16 is a push-button switch, and outputs a firing instruction signal when a pushing operation is carried out.
• the ID setting switch 17 is capable of being operated to switch between four positions corresponding to IDs of 1 through 4, and outputs signals corresponding to these positions.
• the ID of the transmitter 10 can be selected from among 1-4 by switch-operating the ID setting switch 17. Note that, in addition to these, a power source switch 18 switching the ON/OFF of a power source, and an LED 19 showing the operating condition of the transmitter 10, are also provided at the transmitter 10.
• FIG. 3A is a plan view of the tank model 30, and FIG. 3B is a side view.
• the tank model 30 has a chassis 33 and a body 34 covered on the top portion of the chassis 33. Wheels 35 ... 35 are provided so as to form rows on the left and the right of the chassis 33, and the caterpillars 31 are stretched over one on each row of the wheels 35 (one at each of the left and the right) . At least one among the wheels 35 of each row is mounted to a travelling transmission device 37 via axles 36... 36, and the other wheels are freely-rotatably mounted to the chassis 33 via the axles 36...36.
• the travelling transmission device 37 transmits the rotation of a motor 38 for travelling, which serves as a driving source, to the axles 36 ... 36.
• the travelling transmission devices 37 and the motors 38 for travelling are provided one at each of the left and the right in correspondence with the set of left and right caterpillars 31 ... 31, and the left and right caterpillars 31 can be individually driven.
• the turret 32 is provided at the upper portion of the body 34, so as to be able to turn around a shaft 39.
• the turret 32 and the shaft 39 can rotate integrally, and the lower end portion of the shaft 39 is mounted to a turret section transmission device 40.
• the turret section transmission device 40 transmits rotation of a turret motor 41 as a driving source to the shaft 39.
• the barrel 42 is provided at the turret section 32.
• a light-emitting section 43 (corresponding to the remote control signal light-emitting section 6 of FIG.1) for transmitting data to another tank model 30 is provided at the front portion of the turret section 32 to which the barrel 42 is mounted.
• the infrared radiation transmitted from the light-emitting section 43 is led by a condensing body 44 to an optical fiber 45 provided at the barrel 42.
• the infrared radiation carried by the optical fiber 45 is emitted at predetermined emission angles A, B, from the front of the barrel 42 in a direction which the barrel 42 faces.
• a light-receiving section 46 (corresponding to the remote control signal light-receiving section 4 of FIG.1) for receiving signals from the transmitter 10 and the other tank model 30 is provided at a rear portion of the body 34.
• the light-receiving section 46 receives data transmitted from the light-emitting section 43 of the other tank model 30, it is considered that the tank model 30 has been hit, and a processing for notifying user that tankmodel has been hit or a predetermined processing as a penalty in the game is executed.
• a cover 47 shielding infrared radiation is provided so as to receive the signal from the other tank model 30 only from a rearward predetermined angle C.
• a game method in which it is judged to be hit only when hit from behind by the other tank model 30 can be realized.
• the height of the cover 47 is limited such that the light-receiving section 46 can also receive a signal from ahead if the signal is in a range from directly above to an angle D. Accordingly, the cover 47 does not hinder remote control from the transmitter 10 provided above the tank model 30.
• a control device 48 in which a microprocessor, an oscillator, a memory, a motor driver, and the like are disposed on the same substrate, is provided at the interior of the tank model 30.
• the control device 48 judges whether the data sent from the light-receiving section 46 is from the transmitter 10 corresponding to the self tank model 30 or is from another tank model 30.
• the control device 48 controls operations of the motors for travelling 38 ...38 and the turret motor 41, and transmits the data from the light-emitting section 43 to another moving machine.
• the control device 48 executes a predetermined processing for the time of being hit.
• FIG.4 shows the circuit structure of the transmitter 10. Signals corresponding to operations of the travelling control levers 14 ...14, the turret section control dial 15, the firing key 16, andthe ID setting switch17 are inputtedto amicrocomputer 60.
• the remote control signal light-emitting section 12 is structured so as to include a light-emitting device such as, for example, an LED or the like, and emits infrared radiation according to remote control data generated by the microcomputer 60. Note that remote control data of 1 block generated by the microcomputer 60 will be described later (refer to the explanation of FIG. 6) .
• the remote control signal light-receiving section 13 shown in FIG. 4 receives infrared radiation transmitted from another transmitter 10, and outputs a signal, in which the carrier component is removed from the received infrared radiation, to the microcomputer 60.
• the microcomputer 60 controls the transmission timing of the self data on the basis of the received data. In this way, setting the transmission timing after receiving the transmitted data of another transmitter 10 is for preventing radio interference due to simultaneous transmission of remote control data from a plurality of the transmitters 10 and a plurality of the tank models 30.
• a dry cell as a power source a power source circuit converting the electric current/voltage of the dry cell to a predetermined electric current/voltage, an oscillator providing a clock signal to the microcomputer 60, a charging circuit or a charging terminal charging a secondary cell as the power source of the tank model 30, and the like are provided (not shown) at the transmitter 10 in addition to the power source switch 18 shown in FIG. 2A and the LED 19 showing that the transmitter 10 is in an operating state both.
• FIG. 5 shows the circuit structure of a control system mounted at the tank model 30.
• the remote control signal light-receiving section 46 for receiving signals from the transmitter 10 and the other tank model 30 is provided at the tank model 30.
• the remote control signal light-receiving section 46 outputs a signal, in which the carrier component is removed from the received infrared radiation, to amicrocomputer 70.
• the microcomputer 70 decodes the signal provided from the remote control signal light-receiving section 46 into remote control data of one block.
• the microcomputer 70 When the signal from the transmitter 10 corresponding to the self tank model 30 is received, on the basis of the received data, the microcomputer 70 provides an instruction to drive the motors for travelling 38 ... 38 to a motor driver 72, and an instruction to drive the turret motor 41 to a motor driver 73. Moreover, if there is an instruction to fire in the received data, the microcomputer 70 generates data to be transmitted to the other tank model 30, and provides an instruction to transmit the data to the remote control signal light-emitting section 43 at a transmission timing based on the time when the data is received from the transmitter 10.
• transmitting the data at a transmissiontimingbasedonthe timewhenthe data is received from the transmitter 10 is for preventing radio interference due to simultaneous transmission of remote control data from a plurality of the transmitters 10 and a plurality of the tank models 30.
• the remote control signal light-emitting section 43 is structured so as to include a light-emitting device such as, for example, an LED or the like.
• FIG. 6 shows data transmission schedule stipulated such that the data transmission timings of the respective transmitters 10 and the tank models 30 do not overlap on each other.
• a time axis 80 at the upper stage shows the data transmission schedule of the transmitters 10. Between a transmission time (time length Tl) and a transmission time (time length Tl) of each transmitter 10, an interval of time length T2, inwhich nonof the transmitters 10 transmits, is provided.
• the time axis 80 at the lower stage shows the data transmission schedule of the tank models 30, and a transmission time of each tank model 30 is disposed between the transmission time and the transmission time of each transmitter 10.
• transmission data 81 shows the contents of one block of remote control data generated by the transmitter 10
• transmission data 82 shows the contents of one block of remote control data generated by the tank model 30.
• the one block of remote control data generated by the microcomputer 60 of the transmitter 10 is structured from an ID code, control information of the left and right motors for travelling, control information for the turret, and firing instruction information.
• Data corresponding to an ID selected by the ID switch 17, for example, data of 2 bits, is set at the ID code portion.
• data of 1 bit designating the driving direction and data of 3 bits designating the speed are set in correspondence with operated positions of the travelling control levers 14.
• data of 1 bit instructing whether to turn or not and data of 1 bit for designating a direction of rotation are set in correspondencewith the operation of the turret section control dial 15.
• One block of remote control data generated in the microcomputer 70 of the tank model 30 is structured from additional information making the other tank model 30 execute a predetermined processing.
• the additional information is not necessarily needed.
• various changes can be applied by the additional information to the predetermined processing which the hit tank model 30 executes.
• the number of bits of one block of remote control data is always constant. Accordingly, the time needed for transmitting one block of remote control data is constant.
• the transmission timing of each set is set at a period different from those of the other sets, and further, the transmissiontimings of the respective transmitters 10 and tank models 30 are set to periods different from each other.
• a transmission timer is set to T2 later, and timer counting starts.
• the received data is checked, and it is confirmed that radio interference of the signals has not arisen. Thereafter, the transmission timer counting the next transmission timing is set to T2+3xT3 later, and timer counting is started.
• the period of the transmission timing of each transmitter 10 and each tankmodel 30 is NxT3 (N is the number of sets) .
• N is the number of sets
• a blank period in which data is not transmitted is respectively set between periods in which each transmitter 10 and each tank model 30 are transmitting data, and in accordance therewith, the entire period may be set to be longer than NxT3.
• FIG. 7 is a flowchart showing procedures of power-on operation executed by the microcomputer 60 of the transmitter 10 from turning on of the power until start of transmission of self data.
• a timer for time-over is set (step 1) .
• step S2 it is judged whether data from another transmitter 10 has been received or not
• step S3 it is judged whether or not the ID of the received data is the same as the ID set for the self transmitter 10 (step S3) . If the IDs match, the routine returns to step SI, and judging operations are repeated. In accordance therewith, radio interference in a case inwhich there are plural transmitters 10 having the same ID is prevented.
• step S3 when it is judged that the IDs do not match, the self transmission timing is set according to the ID of another transmitter 10 (step S4) .
• the self transmission timing is set to T2+2xT3 later.
• step S5 it is judged whether the timer set at step SI is time-over or not. If the timer is not time-over, the routine returns to step S2.
• step S6 transmission of data remote-controlling the self tank model 30 is started.
• the actual time of starting output is the time at which the transmission timing set at step S4 has been reached. If no data has been received up until time over, there is single operation, i.e., there is no other transmitter 10. Therefore, transmission of data is immediately started at step S6.
• the microcomputer 60 controls data transmission according to the procedures of normal operation of FIG.8.
• step Sll it is judged whether the data from another transmitter 10 has been received or not
• step S12 it is judged whether the ID thereof matches the ID set for oneself or not
• step S13 the self transmission timing is set at the transmission timer according to the ID of the received data
• step S15 When it is judged that time is up at step S14, transmission of the self data is started (step S15) . At this time, receipt of data is carried out in parallel. Next, it is judged whether the data transmission is completed or not (step S16), and if the transmission is completed, the transmitted data and the data received in parallel with the transmission are compared (step S17) . If the transmitted data and the received data do not coincide, it is judged that radio interference has arisen, and the routine proceeds to the power-on operation of FIG. 7. If the transmitted data and the received data coincide, because it may be considered that there is no radio interference, the next transmission timing is set at the transmission timer (step S18) . Thereafter, the routine returns to step SI.
• step S21 the microcomputer 70 judges whether an ID contained in the received data coincides with an ID allocated to the self tank model 30. If the IDs match, namely, when it is judged that the received data is the data transmitted from the transmitter 10 corresponding to the self tank model 30, the timer is set so as to be able to refer to the data transmission schedule of FIG. 6 in which the time axis is corrected on the basis of the time when the data was received (step S22) .
• the transmission timing of the self tank model 30 can be adjusted by the timer, and whether the received data is data from the transmitter 10 or from another tank model 30 can be specified from the time when the data was received.
• the setting of the timer and the referring to the data transmission schedule may be carried out, for example, as follows. First, when remote control data having the same ID as the ID allocated to the self tank model 30 (i.e., transmission data from the transmitter 10 corresponding to the self) is received, at the time of completion of receiving, the time T2 is set at the timer and a flag expressing that it is the transmission time of the tank model 30 is set.
• the self transmission timing can be known, and the ID of the received remote control data can be specified.
• step S23 After the timer is set at step S22, it is judged whether there is a firing instruction or not in the firing instruction information contained in the received data (step S23) .
• step S24 data transmitted to another tank model 30 is generated, and the data is transmitted at a predetermined timing (step S24) .
• step S25 motor-control is carried out (step S25) , and the routine waits for the next receipt.
• step S21 if the ID contained in the received data does not match the ID allocated to the self tankmodel 30, the receiving time and the data transmission schedule set at step S22 are compared, and it is judged whether the receiving time is the transmitting time of another tank model 30 or not (step S26) .
• T2 is reset at the timer for referringto the data transmission schedule, and thereafter, due to the counting and setting of T2 and Tl being repeated, the data transmission schedule is corrected (step S27) .
• the ID contained in the received data is set to a variable for storing the ID of the received data (step S28) .
• step S26 when it is judged to be the transmission time of another tank model 30, the ID substituted in at step S28 is referred to.
• the ID of the tankmodel 30 which fired canbe specified by the referred-to ID (step S29) .
• step S29 on the basis of the ID of the tank model 30 which fired, processing at the time of beinghit, such asmaking remote control impossible for a constant time, lighting an LED, or the like, is executed (stepS29).
• judgement as to whether it is data transmitted from another tank model 30 or not at step S26 may be executed by 1 bit of information, for distinguishing whether it is data from the transmitter 10 or data from the tank model 30, being added to each transmission data of the transmitter 10 and the tank model 30, and the microcomputer 70 referring to the information contained the received data.
• Specification of data transmitted from which tank model 30 may be carried out by adding to the transmission data the ID allocated to the transmitting tankmodel 30, and the microcomputer 70 referring to the ID contained in the received data.
• Thepresent invention is not limitedto the above-described embodiment, andmaybe implemented invarious forms .
• the moving machine is not limited to a tank, and may be a machine imitating various moving bodies.
• the light-receiving section of the moving machines is not limited to one, and a pluralityof light-receiving sections maybe provided. One part of the plurality of light-receiving sections may be used for receiving transmission data from a transmitter, and the other light-receiving sections may be used for receiving transmission data from another moving machine.
• the transmitter may be hand-holdable by an operator, or may be a type which is placed on a floor .
• a specific program may be installed into a portable machine such as a portable game machine or a portable telephone, and it may be made to function as a transmitter.
• each transmitter by receiving data transmitted from another transmitter, or each moving machine, by referring to receiving timing of data transmitted from each transmitter, can transmit self data according to a data transmission schedule stipulated such that transmission timings of each transmitter and each moving machine do not overlap. Accordingly, the data from each transmitter and the data from eachmovingmachine canbe transmittedon the same carrier signal, and, at each moving machine, the sharing of a receiving device and a processing system of signals from the transmitter and signals fromovermovingmachines canbe advanced.
• a plurality of moving machines can be remote-controlled and interaction based on communication can be brought about among the moving machines .

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